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History of Supercomputing

History of Supercomputing

Modern supercomputers are giving scientists the tools they need to improve our health care, tackle climate change, and reach farther into the recesses of deep space.
Let’s speculate on the future of supercomputing by tracing its history
History of Supercomputing Infographic

What is a supercomputer?

Like the name implies, a supercomputer is a computer that’s capable of performing extremely large and complex calculations at blazing speeds
A supercomputer can perform highly advanced calculations that typical computers cannot

Just how super are supercomputers?

Supercomputer speeds are measured in FLOPS: floating point operations per second
Basically, these are calculations with numbers so massive, they have to be expressed in exponents
70 x 15010
  • MegaFLOPS: 1 million FLOPS
  • GigaFLOPS: 1 billion FLOPS
  • TeraFLOPS: 1 trillion FLOPS
  • PetraFLOPS: 1 quadrillion FLOPS
  • ExaFLOPS: 1 quintillion FLOPS

Supercomputing timeline

The early days of supercomputing

In the 1950s, several emerging tech companies compete to build the fastest computer
IBM is the industry leader with its super-fast IBM 7030 Stretch
  • 1957
    • A group of computer engineers formed Control Data Corporation (CDC) in Minneapolis, Minnesota – one of them was a brilliant computer scientist named Seymour Cray
  • 1964
    • At CDC, Cray’s team completes the CDC 6600 computer
    • The CDC 6600 becomes the world’s fastest computer, 3x faster than the IBM 7030 Stretch
    • The computer is so fast that it’s dubbed a supercomputer
  • The CDC 6600
    • 400,000 transistors
    • Over 100 miles of wiring
    • Innovative cooling system
    • Can perform calculations at speeds up to 3 megaFLOPS - slow by modern standards, but revolutionary for its time

The Cray Revolution

Cray’s computer designs at CDC were impressive, but expensive
Frustrated by corporate oversight, Cray left CDC to form his own company, Cray Research
Cray Research dominates the supercomputer market during the ‘70s and ‘80s

Cray Supercomputers

  • The Cray-1
    • Released in 1976
    • One of the first supercomputers to use integrated circuits
    • Performs calculations as fast as 160 megaFLOPS
    • Notable for its “C” shape, which improved the efficiency of the hardware
  • The Cray X-MP
    • Released in 1982
    • Added 4 processors and greater memory bandwidth
    • Performs calculations as fast as 800 megaFLOPS
  • The Cray-2
    • Released in 1985
    • First supercomputer to use liquid cooling
    • Performs calculations as fast as 1.9 gigaFLOPS

The end of the Cray Era

Other tech companies sought to make supercomputers more affordable by developing massively parallel processing (MPP)
MPP works by harnessing thousands of side-by-side processors that work in conjunction with a single memory unit
Cray resisted the idea, but it was more successful than his vector-based supercomputers – Cray Research ultimately went bankrupt in 1995

New age of supercomputing

  • 1992
    • 2 NASA contractors, Don Becker and Thomas Sterling, built the Beowulf supercomputer from off-the-shelf computer parts
    • Beowulf innovated the cluster model: a supercomputer that’s made from a cluster of computer units working together
  • 1997
    • Intel used the cluster model to develop the first 1 teraflop supercomputer: the ASCI Red
Most modern supercomputers use the cluster model, though now they’re designed to be more compact

Supercomputing today

Modern supercomputers use both CPUs and GPUS working in tandem to perform calculations
In fact, some NVIDIA GPUs in HP OMEN gaming computers can perform some supercomputer-caliber calculations
  • 2019
    • IBM completes the fastest supercomputer in the world: the Summit.
    • The Summit can perform calculations as fast as 200 petaFLOPS
    • Some types of calculations can be performed as quickly as 3.3 exaFLOPS
Also in 2019, Cray was acquired by Hewlett Packard Enterprise
Hewlett Packard Enterprise and Cray will work to build supercomputers that can routinely reach exascale speeds

Future of supercomputing

Modern supercomputers have barely just breached the exascale, so expect supercomputer manufacturers to develop new technologies that will try and push supercomputing up to zettascale speeds (that’s a whopping sextillion FLOPS or more!)
The next wave of exascale supercomputers can help us make advancements in:
  • Medicine
  • Space exploration
  • Climatology
Research in these fields require calculations that have a massive number of data points, so only high-tier supercomputers can make those computations. As supercomputing technology improves, so will our world.

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